Senior Full-Stack Engineer - AI-Driven Backend Lead

Preply; Bellprat; On-site; EUR 90,000 - 120,000; Full time

Job summary

Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture.

The role emphasizes data-driven product development, observability, and continuous delivery in a highly collaborative environment. Barcelona-based relocation is offered for the right candidate.

Qualifications

• Backend-focused full-stack role with 60% backend work.

Responsibilities

• Develop backend features using Python/Django and integrate with third-party vendors.
• Develop frontend experiences in React/Typescript and contribute to experimentation frameworks.
• Lead complex initiatives from discovery to deployment and ensure long-term sustainability.
• Drive engineering excellence through mentorship and architectural reviews.
• Partner with Product/Data/UX to identify opportunities and maximize value.
• Shape system architecture to improve scalability, reliability, and maintainability.
• Navigate ambiguity and align technical investments with business goals.
• Collaborate across engineering, product, design, and data functions to deliver impact.

Skills

Full-stack expertise

AI expertise

Scalable systems

Technical leadership

Product mindset

Proactive problem-solving

Ownership & accountability

collaboration & communication

Engineering excellence

Operational excellence

Tools

Python/Django

React

Typescript

Java/Spring

Node.js

Ruby on Rails

Scala/Play

PHP

Go

Job description

Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture.

The role emphasizes data-driven product development, observability, and continuous delivery in a highly collaborative environment. Barcelona-based relocation is offered for the right candidate.